<!DOCTYPE html>
<html xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1">
    <title>Aurora- 上传图片</title>
    <!-- build:css -->
    <link rel="stylesheet" th:href="@{'/plugins/css/layui.css'}">
    <link rel="stylesheet" th:href="@{'/plugins/lay/layui-treeselect/src/css/ztree/metro/ztree.css'}" media="all"/>
    <link rel="stylesheet" th:href="@{'/plugins/lay/layui-treeselect/src/css/treeselect.css'}" media="all"/>
    <!-- endbuild -->
</head>
<div style="padding: 10px; line-height: 15px; font-weight: 300;">
    <div class="layui-upload">
        <button type="button" class="layui-btn layui-btn-normal" id="testList">添加图片</button>
        <div class="layui-upload-list">
            <table class="layui-table">
                <thead>
                <tr><th>文件名</th>
                    <th>大小</th>
                    <th>状态</th>
                    <th><span id="operation" style="display: inline-block;margin-left: 10px;">操作</span></th>
                </tr></thead>
                <tbody id="demoList"></tbody>
            </table>
        </div>
        <button type="button" class="layui-btn" id="testListAction">开始上传</button>
    </div>
</div>
<!-- build:js -->
<script th:src="@{'/js/jquery.min.js'}"></script>
<script th:src="@{'/plugins/layui.js'}"></script>
<!-- build:use -->
<script>
    layui.use('upload', function() {
        var $ = layui.jquery
            , upload = layui.upload;
        var demoListView = $('#demoList')
            , uploadListIns = upload.render({
              elem: '#testList'
            , url: '/picture/upload'
            , accept: 'file'
            , exts : "jpg|png|gif|bmp|jpeg|pdf"
            , multiple: true
            , auto: false
            , bindAction: '#testListAction'
            , choose: function (obj) {
                var files = this.files = obj.pushFile(); //将每次选择的文件追加到文件队列
                //读取本地文件
                obj.preview(function (index, file, result) {
                    var tr = $(['<tr id="upload-' + index + '">'
                        , '<td>' + file.name + '</td>'
                        , '<td>' + (file.size / 1014).toFixed(1) + 'kb</td>'
                        , '<td>待上传</td>'
                        , '<td>'
                        , '<button class="layui-btn layui-btn-xs demo-reload layui-hide">重传</button>'
                        , '<button class="layui-btn layui-btn-xs layui-btn-danger demo-delete">删除</button>'
                        , '</td>'
                        , '</tr>'].join(''));
                    //单个重传
                    tr.find('.demo-reload').on('click', function () {
                        obj.upload(index, file);
                    });
                    //删除
                    tr.find('.demo-delete').on('click', function () {
                        delete files[index]; //删除对应的文件
                        tr.remove();
                        uploadListIns.config.elem.next()[0].value = ''; //清空 input file 值，以免删除后出现同名文件不可选
                    });

                    demoListView.append(tr);
                });
            }
            , done: function (res, index, upload) {
                if (res.code == 200) { //上传成功
                    var tr = demoListView.find('tr#upload-' + index)
                        , tds = tr.children();
                    tds.eq(2).html('<span style="color: #5FB878;">上传成功</span>');
                    tds.eq(3).html(''); //清空操作
                    return delete this.files[index]; //删除文件队列已经上传成功的文件
                }
                this.error(index, upload);
            }
            , error: function (index, upload) {
                var tr = demoListView.find('tr#upload-' + index)
                    , tds = tr.children();
                tds.eq(2).html('<span style="color: #FF5722;">上传失败</span>');
                tds.eq(3).find('.demo-reload').removeClass('layui-hide'); //显示重传
                $('#operation').css("margin-left","0px;");
            }
        });
    });
</script>
</body>
</html>
